Astronaut Richard F. Gordon Jr., pilot for the Gemini 11 spaceflight, sits astride the spacecraft during a spacewalk, while attaching a tether from the Gemini capsule to the Agena vehicle. This picture was taken over the Atlantic Ocean at approximately 160 nautical miles above Earth. (Image Credit: NASA)

The Gemini 11 prime crew, astronauts Charles Conrad Jr. (right) and Richard F. Gordon Jr. stand on the deck of USS Guam after being recovered by helicopter from the splashdown area on 15 September 1966. (Image Credit: NASA)

Gemini 11 astronauts Richard F. Gordon Jr. (left), pilot, and Charles "Pete" Conrad Jr., command pilot, sit in a life raft while awaiting pickup by a helicopter from USS Guam. Members of the U.S. Navy frogman team wait with them. (Image Credit: NASA)